253250551 has 2 divisors, whose sum is σ = 253250552. Its totient is φ = 253250550.

The previous prime is 253250519. The next prime is 253250579. The reversal of 253250551 is 155052352.

It is an a-pointer prime, because the next prime (253250579) can be obtained adding 253250551 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253250551 - 2⁵ = 253250519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253256551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126625275 + 126625276.

It is an arithmetic number, because the mean of its divisors is an integer number (126625276).

Almost surely, 2^253250551 is an apocalyptic number.

253250551 is a deficient number, since it is larger than the sum of its proper divisors (1).

253250551 is an equidigital number, since it uses as much as digits as its factorization.

253250551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 253250551 is about 15913.8477748155. The cubic root of 253250551 is about 632.6790681728.

The spelling of 253250551 in words is "two hundred fifty-three million, two hundred fifty thousand, five hundred fifty-one".